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Conferencing over the Internet with Exchange Conferencing Server Ryan J. Phillips Microsoft Business Applications Micros PowerPoint Presentation
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Conferencing over the Internet with Exchange Conferencing Server Ryan J. Phillips Microsoft Business Applications Microsoft Corporation Agenda Introduction Connectivity methods – Multicast vs. H.323 Codec bandwidth requirements Requirements Server Client Infrastructure Configuration

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Conferencing over the Internet with Exchange Conferencing ServerRyan J. PhillipsMicrosoft Business ApplicationsMicrosoft Corporation

agenda
Agenda
  • Introduction
  • Connectivity methods – Multicast vs. H.323
  • Codec bandwidth requirements
  • Requirements
    • Server
    • Client
    • Infrastructure
  • Configuration
    • Server
    • Client
    • Firewalls
  • Resources
introduction
Introduction

In today’s business model, collaboration and communication in real time is paramount to the success of an individual and/or company. To address this need, the Microsoft Exchange Conferencing Server provides a full range of audio/video and data conferencing services for the both the intranet and Internet workspace.

connectivity methods multicast vs h 323
Connectivity MethodsMulticast vs. H.323
  • Multicast
    • Spanning Tree
      • IGMP (RFC 2236)(http://www.faqs.org/rfcs/rfc2236.html)(Note that this is not a Microsoft site)
    • One-to-many
    • Not used in general internet connectivity
  • H.323
    • Unicast
    • Internet traversal
      • Firewalls and routers
codec bandwidth requirements
Codec Bandwidth Requirements
  • Audio
    • G.711 – 70 Kbps (default)
    • GSM 6.10 – 30 Kbps
  • Video
    • H.261 – 90 Kbps
    • H.263 – 90 Kbps (default)
      • (Only sends screen updates)
requirements server
RequirementsServer
  • Conferencing modes
    • Memory and CPU
      • Multicast – No additional memory required
      • H.323 – PII 450 MHz ~ 256 MB will host approx. 40 users
      • T.120 – PII 450 MHz ~ 256 MB will host approx. 2,000 users (*500 recommended)
  • Bandwidth *
    • Multicast (audio and video) – 128 Kbps or higher
    • T.120 (data) – 28.8 Kbps or higher
    • H.323 (data, audio, and video) – 160 Kbps or higher
requirements client
RequirementsClient
  • OS - Windows® 95, Windows® 98, Windows NT® 3.51, 4.0, Windows® 2000
  • Data and Video Conferencing Client
    • Windows 95, 98 – Pentium 133 MHz and 32 MB or higher recommended
    • Windows NT – Pentium 133 MHz and 64 MB or higher recommended
  • Multimedia peripherals
    • Audio/video card
    • Video camera
    • Headset ~ microphone ~ speakers
requirements infrastructure
RequirementsInfrastructure
  • Routers and firewalls
    • Packet/port filtering
      • 1503 – TCP (T.120)
      • 1720 – TCP (H.323 call setup)
      • 1731 – TCP (H.323 audio call setup)
      • Dynamic * – TCP (H.323 call control)
      • Dynamic * – UDP (H.323 streaming)
requirements infrastructure firewalls proxy servers
RequirementsInfrastructure – Firewalls/Proxy Servers
  • 80 – Web traffic
  • 1503 – T.120
  • 1720 – H.323
  • 1731 – H.323
  • >1024 – H.323
requirements infrastructure proxy
RequirementsInfrastructure – Proxy
  • Proxy servers
    • Reverse Web hosting
requirements infrastructure igmp support
RequirementsInfrastructure – IGMP Support
  • Windows 2000 RRAS
    • IGMP support
configuration server
ConfigurationServer
  • CMS
    • Access URL
configuration server continued
ConfigurationServer (continued)
  • T.120 MCU
    • Local *
    • Internet
configuration client
ConfigurationClient
  • Bandwidth settings
    • Connection
    • Video
    • Audio
configuration client continued
ConfigurationClient (continued)
  • Secure Conferences
    • Certificates *
resources
Resources
  • Resources
    • IP Multicast RFC
    • IGMP RFC
    • H.323 Primer White Paper
    • ECS – H.323 White Paper
    • NetMeeting Resource Kit
    • Exchange 2000 Conferencing Server Product Info

(Note that some of these are non-Microsoft Web sites.)